NL7812020A - PROCEDURE FOR IMPROVING THE HEAT BALANCE WHEN FRESHING CRUDE IRON IN A CONVERTER. - Google Patents

PROCEDURE FOR IMPROVING THE HEAT BALANCE WHEN FRESHING CRUDE IRON IN A CONVERTER.

Info

Publication number
NL7812020A
NL7812020A NL7812020A NL7812020A NL7812020A NL 7812020 A NL7812020 A NL 7812020A NL 7812020 A NL7812020 A NL 7812020A NL 7812020 A NL7812020 A NL 7812020A NL 7812020 A NL7812020 A NL 7812020A
Authority
NL
Netherlands
Prior art keywords
freshing
converter
improving
procedure
heat balance
Prior art date
Application number
NL7812020A
Other languages
Dutch (nl)
Other versions
NL177837C (en
Original Assignee
Maximilianshuette Eisenwerk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE2755165A external-priority patent/DE2755165B2/en
Priority claimed from DE2838983A external-priority patent/DE2838983C3/en
Application filed by Maximilianshuette Eisenwerk filed Critical Maximilianshuette Eisenwerk
Publication of NL7812020A publication Critical patent/NL7812020A/en
Application granted granted Critical
Publication of NL177837C publication Critical patent/NL177837C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/34—Blowing through the bath
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/35—Blowing from above and through the bath
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
NL7812020A 1977-12-10 1978-12-08 METHOD FOR IMPROVING THE HEAT BALANCE AND THEREFORE INCREASING THE SCRAP SUPPLEMENT IN FRESHING IRON IRON. NL177837C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2755165A DE2755165B2 (en) 1977-12-10 1977-12-10 Method of increasing the scrap rate in steelmaking
DE2838983A DE2838983C3 (en) 1978-09-07 1978-09-07 Process for producing steel in the converter

Publications (2)

Publication Number Publication Date
NL7812020A true NL7812020A (en) 1979-06-12
NL177837C NL177837C (en) 1985-12-02

Family

ID=25773242

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7812020A NL177837C (en) 1977-12-10 1978-12-08 METHOD FOR IMPROVING THE HEAT BALANCE AND THEREFORE INCREASING THE SCRAP SUPPLEMENT IN FRESHING IRON IRON.

Country Status (20)

Country Link
US (1) US4195985A (en)
JP (1) JPS54109016A (en)
AR (1) AR218949A1 (en)
AT (1) AT377006B (en)
AU (1) AU530510B2 (en)
BG (1) BG60214B2 (en)
BR (1) BR7808087A (en)
CA (1) CA1123608A (en)
DD (1) DD140757A5 (en)
ES (1) ES475778A1 (en)
FR (1) FR2411239A1 (en)
GB (1) GB2011477B (en)
HU (1) HU182867B (en)
IN (1) IN149859B (en)
IT (1) IT1107587B (en)
LU (1) LU80626A1 (en)
MX (1) MX155005A (en)
NL (1) NL177837C (en)
PL (1) PL211603A1 (en)
SE (1) SE444183B (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755165B2 (en) * 1977-12-10 1980-09-18 Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg Method of increasing the scrap rate in steelmaking
NL186331C (en) * 1979-03-15 1990-11-01 Kloeckner Cra Patent METHOD FOR PREPARING STEEL AND CONVERTER FOR CARRYING OUT THE METHOD
US4334921A (en) * 1979-04-16 1982-06-15 Nippon Steel Corporation Converter steelmaking process
US4280838A (en) * 1979-05-24 1981-07-28 Sumitomo Metal Industries, Ltd. Production of carbon steel and low-alloy steel with bottom blowing basic oxygen furnace
JPS5641307A (en) * 1979-09-10 1981-04-18 Nippon Steel Corp Increasing method for heat input in oxygen top blown steel making process
DE2939859C2 (en) * 1979-10-02 1983-06-23 Klöckner-Werke AG, 4100 Duisburg Steel making process
LU81859A1 (en) * 1979-11-07 1981-06-04 Arbed PROCESS FOR CONDITIONING SLAG DURING REFINING OF A METAL BATH
JPS5669318A (en) * 1979-11-10 1981-06-10 Nippon Steel Corp Rotating joint for converter
JPS6023182B2 (en) * 1979-12-01 1985-06-06 新日本製鐵株式会社 Melting method for medium carbon high chromium molten metal
DE2949803C2 (en) * 1979-12-11 1986-10-09 Klöckner CRA Technologie GmbH, 4100 Duisburg Process for improving heat utilization in steelmaking from solid ferrous materials
ATE5202T1 (en) * 1979-12-11 1983-11-15 Eisenwerk-Gesellschaft Maximilianshuette Mbh STEEL MAKING PROCESS.
DE2949794C2 (en) * 1979-12-11 1984-01-19 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg Process of supplying carbon to a molten iron in the converter
DE3008145C2 (en) * 1980-03-04 1989-09-21 Klöckner CRA Technologie GmbH, 4100 Duisburg Steel making process
DE2951156A1 (en) * 1979-12-11 1981-06-25 Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg Steel prodn. in top and bottom blown converter - with bottom nozzles fed at least periodically with solids-laden oxygen-free gas
LU82069A1 (en) * 1980-01-09 1981-09-10 Arbed METHOD FOR REFINING A METAL BATH
DE3031680A1 (en) * 1980-08-22 1982-03-11 Klöckner-Werke AG, 4100 Duisburg METHOD FOR GAS GENERATION
US4358314A (en) * 1980-09-03 1982-11-09 British Steel Corporation Metal refining process
EP0056655B1 (en) * 1981-01-21 1984-10-10 Nippon Steel Corporation Oxygen passage structure in a supporting trunnion of a steel converter vessel
JPS57137228A (en) * 1981-02-12 1982-08-24 Kawasaki Steel Corp High-pressure granular solids transporting equipment using combustible gas
FR2506332A1 (en) * 1981-05-20 1982-11-26 Usinor Gas stirring of an oxygen steel converter - with controlled distribution to base injectors
AU8474782A (en) * 1981-06-19 1982-12-23 British Steel Corp. Refining of steel from pig iron
LU83814A1 (en) * 1981-12-04 1983-09-01 Arbed METHOD AND DEVICE FOR REFINING A METAL BATH CONTAINING SOLID COOLING MATERIALS
JPS58207314A (en) * 1982-05-28 1983-12-02 Sumitomo Metal Ind Ltd Refining method of steel
US4402739A (en) * 1982-07-13 1983-09-06 Kawasaki Steel Corporation Method of operation of a top-and-bottom blown converter
US4462825A (en) * 1983-09-01 1984-07-31 United States Steel Corporation Method for increasing the scrap melting capability of metal refining processes
JPS61159519A (en) * 1984-12-29 1986-07-19 Nippon Steel Corp Converter operating method
JPS62207812A (en) * 1986-03-07 1987-09-12 Sumitomo Metal Ind Ltd Furnace internal heating method for converter refining
JPS63157808A (en) * 1986-12-19 1988-06-30 Sumitomo Metal Ind Ltd Scrap melting method by combined converter
DE3819031C1 (en) * 1988-06-03 1989-07-20 Kloeckner Stahl Gmbh, 4100 Duisburg, De
US4919714A (en) * 1988-11-14 1990-04-24 Daido Tokushuko Kabushiki Kaisha Method and apparatus for refining steel
AT394395B (en) * 1989-01-13 1992-03-25 Veitscher Magnesitwerke Ag METALLURGICAL TUBE AND ARRANGEMENT THEREOF
DE4213007C1 (en) * 1992-04-21 1993-12-16 Tech Resources Pty Ltd Method and device for sealing nozzles in the surrounding refractory lining
AT405526B (en) * 1995-03-30 1999-09-27 Voest Alpine Stahl Donawitz METHOD AND DEVICE FOR LIMITING THE VOLUME OF FOAM IN A METALLURGICAL VESSEL
WO2004007777A2 (en) 2002-07-10 2004-01-22 Corus Technology Bv Metallurgical vessel and method of iron making by means of direct reduction
EP1380656A1 (en) * 2002-07-10 2004-01-14 Corus Technology BV Direct melting furnace and process therefor
DE102015105307A1 (en) * 2015-04-08 2016-10-13 Sms Group Gmbh converter
ES2934857T3 (en) * 2018-02-16 2023-02-27 Sms Group Gmbh Method for refining molten metal using a converter
CN110982988B (en) * 2019-12-25 2021-08-13 河钢股份有限公司承德分公司 Desulfurization method for promoting contact of steel slag in LF refining furnace and steel-making method
CN115807146B (en) * 2023-01-20 2023-07-04 北京科技大学 Converter bottom blowing system with multi-medium shared bottom blowing gun and application method thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1180632A (en) * 1956-01-19 1959-06-08 Process for producing steel in a bottom blown converter and installation for applying said process
DE1583240A1 (en) * 1967-09-30 1970-08-06 Demag Ag Method and device for producing steel in the converter
FR2150250A1 (en) * 1971-08-26 1973-04-06 Creusot Loire Feeding pulverulent, materials to a melt - in a converter using double coaxial tuyeres
BE774886A (en) * 1971-11-03 1972-05-03 Centre Rech Metallurgique PROCESS FOR THE CONVERSION OF CAST IRON INTO STEEL.
FR2158140A1 (en) * 1971-11-05 1973-06-15 Creusot Loire Steel making - by top and bottom blowing oxygen with a fluid contg hydrocarbons
US3839017A (en) * 1972-01-04 1974-10-01 Pennsylvania Engineering Corp Apparatus and method for converting impure ferrous metal to steel
US3920448A (en) * 1972-10-03 1975-11-18 Maximilianshuette Eisenwerk Process and converter for refining liquid metals
AT337736B (en) * 1973-02-12 1977-07-11 Voest Ag METHOD OF REFRESHING BIG IRON
US4047936A (en) * 1973-04-04 1977-09-13 Berry Metal Company Process for refining hot metal to steel
US3999977A (en) * 1973-04-25 1976-12-28 United States Steel Corporation Method for controlling the injection of flux into a steelmaking vessel as a function of pressure differential
US3960546A (en) * 1974-05-22 1976-06-01 United States Steel Corporation Method for eliminating nose-skulls from steelmaking vessels

Also Published As

Publication number Publication date
GB2011477A (en) 1979-07-11
BG60214B2 (en) 1993-12-30
SE444183B (en) 1986-03-24
AT377006B (en) 1985-01-25
IN149859B (en) 1982-05-15
MX155005A (en) 1988-01-19
AR218949A1 (en) 1980-07-15
FR2411239A1 (en) 1979-07-06
ES475778A1 (en) 1979-04-01
DD140757A5 (en) 1980-03-26
PL211603A1 (en) 1979-08-27
US4195985A (en) 1980-04-01
FR2411239B1 (en) 1984-09-14
JPS54109016A (en) 1979-08-27
IT1107587B (en) 1985-11-25
HU182867B (en) 1984-03-28
SE7812613L (en) 1979-06-11
JPS568085B2 (en) 1981-02-21
AU4237478A (en) 1979-06-14
BR7808087A (en) 1979-08-07
LU80626A1 (en) 1979-04-09
AU530510B2 (en) 1983-07-21
NL177837C (en) 1985-12-02
IT7852217A0 (en) 1978-12-06
CA1123608A (en) 1982-05-18
GB2011477B (en) 1982-10-20
ATA874878A (en) 1984-06-15

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: KLOECKNER CRA PATENT GMBH

V4 Discontinued because of reaching the maximum lifetime of a patent

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